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If the volume ratio between these two substances is out of balance, the prepolymer will not form, and a ration of 1:2 is observed in most applications. Faux Stitch/ Faux Sweater Cotton Lycra Fabric The prepolymer is then exposed to diamine acid, which produces another chemical reaction ...
Ampelopsin, also known as dihydromyricetin and DHM, when purported as an effective ingredient in supplements and other tonics, is a flavanonol, a type of flavonoid. It is found in the Ampelopsis species japonica, megalophylla, and grossedentata; Cercidiphyllum japonicum; Hovenia dulcis; ...
A chemical reaction occurs when these two compounds contact each other, and the diamine acid reforms into a repeating chain of monomers that is called a polymer. The polymer known as nylon 6,6 takes the form of a salt, and when this salt is heated, it becomes molten. ...
Is Polyurethane Foam Toxic? Generally speaking, the toxicity of polyurethane foam depends on the materials used to make it. As we discussed above, polyurethane foam is made frompolyolanddiisocyanate, namely toluene diisocyanate (TDI), classified as “reasonably to be anticipated as a human carcino...
Amine is a type of compound that is derived from ammonia. In other words, amines are basically classified as functional groups or organic nitrogen compounds.
My fountain nib writing is getting more anachronistic, thanks to this great book - my first Wimsey novel! [discussing the dead gentleman's notes: "Not a doubt about it, I should say, unless the forgery has been astonishingly well done. Some of the figures, especially, are highly character...
Is EDTA a bidentate ligand? In most of the cases, only a single atom in the ligand binds to the metal, then the denticity equals one, and the ligand is said to bemonodentateor bidentate. Ethylene diamine tetra acetate ions (EDTA) form a complex with metal ions in coordination compounds....
Queening is a synonym for face sitting. Wiki User ∙16yago Copy Still curious? Ask our experts. Chat with our AI personalities Vivi Your ride-or-die bestie who's seen you through every high and low. Chat withVivi Rene Change my mind. I dare you. ...
Aristotle makes the controversial claim that it is impossible to have all the ethical virtues–bravery, temperance, generosity, magnificence, magna-nimity, the virtue concerned with honor on a small scale, mildness, truth-fulness, wit, friendliness, and justice–fully without having practical wisdom...